DK157279C - APPARATUS UNIT FOR APPLIANCES IN THE COMMUNICATION TECHNIQUE - Google Patents
APPARATUS UNIT FOR APPLIANCES IN THE COMMUNICATION TECHNIQUEInfo
- Publication number
- DK157279C DK157279C DK435584A DK435584A DK157279C DK 157279 C DK157279 C DK 157279C DK 435584 A DK435584 A DK 435584A DK 435584 A DK435584 A DK 435584A DK 157279 C DK157279 C DK 157279C
- Authority
- DK
- Denmark
- Prior art keywords
- switched
- appliances
- communication technique
- apparatus unit
- circles
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/28—Continuous tuning of more than one resonant circuit simultaneously, the tuning frequencies of the circuits having a substantially constant difference throughout the tuning range
- H03J3/32—Arrangements for ensuring tracking with variable capacitors
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J2200/00—Indexing scheme relating to tuning resonant circuits and selecting resonant circuits
- H03J2200/28—Automatic self-alignment of a receiver
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Superheterodyne Receivers (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Selective Calling Equipment (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Electrophonic Musical Instruments (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Circuits Of Receivers In General (AREA)
- Structure Of Receivers (AREA)
Abstract
Upon the selection of a desired reception channel, the tuner oscillator (9) is switched off, while an oscillator (15) simulating reception signals is switched on at the antenna input and is switched alternatingly on at least two frequencies within the reception channel. A R.F. signal demodulator (16) provides to a microprocessor (13) a criterion to indicate an optimum tuning. The obtained tuning voltage is conducted to the R.F. circles (3-5) to be adjusted after digital/analogue transformation (18-20), up to the end of the adjustment of all circles.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3242965A DE3242965C1 (en) | 1982-11-20 | 1982-11-20 | Tuning unit for telecommunications equipment |
DE3242965 | 1982-11-20 | ||
PCT/EP1983/000304 WO1984002236A1 (en) | 1982-11-20 | 1983-11-17 | Tuning unit for apparatus in the field of communications |
EP8300304 | 1983-11-17 |
Publications (4)
Publication Number | Publication Date |
---|---|
DK435584A DK435584A (en) | 1984-09-12 |
DK435584D0 DK435584D0 (en) | 1984-09-12 |
DK157279B DK157279B (en) | 1989-11-27 |
DK157279C true DK157279C (en) | 1990-05-07 |
Family
ID=6178584
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK435584A DK157279C (en) | 1982-11-20 | 1984-09-12 | APPARATUS UNIT FOR APPLIANCES IN THE COMMUNICATION TECHNIQUE |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0109661B1 (en) |
AT (1) | ATE29191T1 (en) |
DE (2) | DE3242965C1 (en) |
DK (1) | DK157279C (en) |
FI (1) | FI82792C (en) |
WO (1) | WO1984002236A1 (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8402880A (en) * | 1984-09-20 | 1986-04-16 | Philips Nv | TV RECEIVER WITH AN AUTOMATIC HIGH-FREQUENT CIRCUIT ADJUSTMENT. |
DE3609349C3 (en) * | 1985-03-22 | 1994-09-15 | Victor Company Of Japan | Superhet TV tuner |
DE3512873A1 (en) * | 1985-04-11 | 1986-10-30 | Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen | TUNING SYSTEM FOR TELEVISIONS |
US4780909A (en) | 1985-07-02 | 1988-10-25 | Matsushita Electric Industrial Co. Ltd. | Signal receiver having automatic frequency characteristic adjusting capability |
GB2188502B (en) * | 1986-02-25 | 1989-11-08 | Plessey Co Plc | Tuner circuit including tuning voltage generator |
FR2661057A1 (en) * | 1990-04-12 | 1991-10-18 | Tekelec Airtronic Sa | METHOD FOR TUNING AT LEAST ONE VARIABLE FREQUENCY FILTER OF A FILTER ARRANGEMENT ON A NEW SELECTED FREQUENCY AND SYSTEM FOR IMPLEMENTING SAID METHOD |
JPH04111540A (en) * | 1990-08-30 | 1992-04-13 | Matsushita Electric Ind Co Ltd | Double supertuner |
EP0540908B1 (en) * | 1991-11-04 | 1997-01-08 | Motorola, Inc. | Method and apparatus for automatic tuning calibration of electronically tuned filters |
FI94689C (en) * | 1992-12-10 | 1995-10-10 | Nokia Mobile Phones Ltd | Reconciliation of tuning circuits in a radio receiver |
DE19515218A1 (en) * | 1995-04-28 | 1996-10-31 | Thomson Brandt Gmbh | Oscillator arrangement tuning method |
JP4547282B2 (en) * | 2005-03-07 | 2010-09-22 | 株式会社フジクラ | Connector for automatic alignment |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3736512A (en) * | 1972-02-24 | 1973-05-29 | Us Navy | Non-interfering on-line communication receiver test system |
DE2744213C2 (en) * | 1977-09-30 | 1979-09-20 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Method for coordinating a multi-circuit band filter arranged in the signal path within a circuit system and arrangement for carrying out the method |
JPS55633A (en) * | 1978-06-16 | 1980-01-07 | Sansui Electric Co | Receiving unit |
DE2854852C2 (en) * | 1978-12-19 | 1985-02-07 | Telefunken electronic GmbH, 7100 Heilbronn | Electronic voting unit, in particular for television receivers |
JPS5733822A (en) * | 1980-08-07 | 1982-02-24 | Sony Corp | Automatic tracking device |
US4334323A (en) * | 1980-09-08 | 1982-06-08 | Zenith Radio Corporation | Self tracking tuner |
-
1982
- 1982-11-20 DE DE3242965A patent/DE3242965C1/en not_active Expired
-
1983
- 1983-11-17 DE DE8383111496T patent/DE3373247D1/en not_active Expired
- 1983-11-17 AT AT83111496T patent/ATE29191T1/en not_active IP Right Cessation
- 1983-11-17 WO PCT/EP1983/000304 patent/WO1984002236A1/en active IP Right Grant
- 1983-11-17 EP EP83111496A patent/EP0109661B1/en not_active Expired
-
1984
- 1984-09-12 DK DK435584A patent/DK157279C/en active IP Right Revival
- 1984-09-19 FI FI843678A patent/FI82792C/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FI843678L (en) | 1984-09-19 |
FI82792C (en) | 1991-04-10 |
ATE29191T1 (en) | 1987-09-15 |
FI843678A0 (en) | 1984-09-19 |
EP0109661A1 (en) | 1984-05-30 |
DE3242965C1 (en) | 1984-05-30 |
FI82792B (en) | 1990-12-31 |
EP0109661B1 (en) | 1987-08-26 |
DK435584A (en) | 1984-09-12 |
DK157279B (en) | 1989-11-27 |
DK435584D0 (en) | 1984-09-12 |
WO1984002236A1 (en) | 1984-06-07 |
DE3373247D1 (en) | 1987-10-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AGE | Re-establishment of rights: approved |